Inventions What plaything was invented by Joe McVicker in 1956? Lite-Brite Play-Doh Silly Putty Etch-A-Sketch Lite-Brite Play-Doh Silly Putty Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Amanda Jones Margaret Knight Marjorie Joyner Mary Kies Amanda Jones Margaret Knight Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Sir Alexander Graham Bell Michael Faraday Thomas Alva Edison Fahrenheit Sir Alexander Graham Bell Michael Faraday Thomas Alva Edison Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Captain's chair Hammock Sofa bed Waterbed Captain's chair Hammock Sofa bed Waterbed ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Robert Oppenheimer Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer Leslie R. Groves Vannevar Bush James B. Conant ANSWER DOWNLOAD EXAMIANS APP
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